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int(sin2x)/(sin^(2)x+2cos^(2)x)dx=...

`int(sin2x)/(sin^(2)x+2cos^(2)x)dx=`

A

log`(1+cos^(2)x) + c`

B

`log (1+ tan^(2) x) + c`

C

`-log (1+ sin^(2) x) + C`

D

`-log (1+ cos^(2) x)+c`

Text Solution

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The correct Answer is:
B
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